Re: HMC799LP3 Transimpedance amplifier specifications and developer board
We recommend the ease of using AC couple to the input of HMC799LP3E to maintain it's usable bandwidth and dynamic range. In order to keep the 650MHz bandwidth, the total Parasitic capacitance...
View ArticleRe: How do I get ADV8005 SD encoder test pattern generator to work?
Hi Paul,Thank you for your help. I was able to get a color bar test pattern by also writing a '1' to 0xE482 (pixel_data_valid) but the output is gray scale and not colored. Any idea what register...
View ArticleRe: AD9361 charge pump calibration.
Zerajic -- Can you provide more detail on how you fixed the timeout issue? I am having the same problem. We are using custom hardware but using Analog Devices software (that includes the increased...
View ArticleRe: [Q] Agilent ADS model for ADL5380 & ADL 5375
Hello,I am driving LO deferentially, is the LOIN S11 same as LOIP? if it is not, can you please provide LOIN S11 as well?ThanksJun
View ArticleAD9361 Charge Pump Cal Timeout / ad9361_txrx_synth_cp_calib()
Hi, I'm getting a Calibration TIMEOUT (0x244, 0x80) error message when I run ad9361_txrx_synth_cp_calib(). I have the AD9361 integrated on custom hardware, but I am using the stock firmware drivers...
View ArticleClik here to view.
Re: How to route TDM audio through multiple ADAU1701s?
Hi Yagami, Our prototype has one of the 1701's feeding buttered LRCLK and BCLK to all the others (the second option above). The TDM bus is working well, with the various signals entering and...
View ArticleRe: AD-FMCMOTCON1-EBZ MathWorks FOC IP controller will not go into closed...
You are correct, sometimes it does not calibrate correctly and runs forever. If I restart the foc script, it usually gets it. Now I have a new issue, possibly related to my current limited power...
View ArticleRe: AD-FMCMOTCON1-EBZ MathWorks FOC IP controller will not go into closed...
I found a solution, sort of. After the script ends "Running in FOC closed loop mode", the rotor is locked. If I give it a good hard spin with my fingers it will go again, using considerably less...
View ArticleRe: AD9257 reset control
Hello Tak-san, Thank you for your questions. 1. Yes, you are correct. When a digital reset (Register 0x08 = 0x03 --> 0x00) is invoked, the AD9257 goes into an initialization phase where an internal...
View ArticleClik here to view.
AD-FMCOMMS3-EBZ HIL example: QPSK modulation with raised cosine filter
Hi, I'm trying to create a hardware-in-the-loop example for QPSK modulation with a raised cosine filter, using the AD-FMCOMMS3-EBZ in a 1x1 channel configuration, by merging the simulink iio_sys_obj...
View ArticleClik here to view.
ADP2108-3.0 output at 1V
Hi, I have the same situation as several other posters with an ADP2108-3.0 whose output sits at about 1V. With the output at 1V, my circuit is drawing about 45 mA. I have added a 4.7 uF X5R 0603 input...
View ArticleInterfacing ADAU1701 with AD1955 (2)
As a bit of a continuation from Interfacing ADAU1701 with AD1955 Has anyone successfully used an ADG3304 for I2S level translation from an ADAU1701? Or could anyone offer an educated/experienced guess...
View ArticleClik here to view.
Re: AUDIO FILTER NOOB!! What characteristics for bandpass filter?
Hi, Dave's idea of using SigmaDSP can really help with your application since you're not exactly sure of what response might work the best. You can tweak a SigmaStudio design to your heart's...
View ArticleRe: Questions prior to evaluating the ADAU1452
Hi Larry, I can help with a few of your questions: 1. SigmaStudio includes a hierarchy board feature that allow you to save and recall sub-circuits -- see the tutorial at...
View ArticleRe: ADI Tech Support (Medical Analog to Digital Converter)
Thanks LucaV, I'll look into it
View ArticleClik here to view.
Re: Damping Resistor(s) for MCLK Distribution
On a recent prototype board with distributed clocks (of course no fly-wires) --100 ohm damping made the waveforms sloppy, 10 ohms did not prevent the overshoots, but 47 ohms was just right.
View ArticleRe: six analog device AD5422, connected in daisychain mode giving current...
Hi, Shivam. These registers are factory-configured and will apply the proper operation of the part. I think that the power supply sequencing and ramp rates will dictate whether the part will be turned...
View ArticleRe: FMC VITA Breakout Board?
Hi Cert, I am looking into this and checking if there is an available board. I'll get back to you soon. Regards,Jonathan
View ArticleRe: How to use a Balun at the Output of the Op Amp AD834
Hi, I just want to clarify about your inputs? You say +/-2.5 Amperes? How are you going to connect it to the input?Are you going to put it directly? What is your application?I think answering this will...
View ArticleRe: ADP1048 for 5kW bridgeless PFC
Hi Fan, Definitely the hall ACS 709ACS709 can be ued in this application. James
View Article